4,4'-(1-Phenylethylidene) Biphenol

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1 Kilogram	FOB Price: USD 1.0000

1 Kilogram

FOB Price: USD 1.0000

1571-75-1 4,4'-(1-Phenylethylidene) Biphenol Bisphenol AP

CAS Number	1571-75-1
Product Name	4,4'-(1-phenylethylidene)bisphenol
Synonyms	4,4'-(1-phenylethane-1,1-diyl)diphenol; 4,4-(1-alpha-methylbenzylidene)bisphenol; 4,4'-(1-phenylethylidene) Biphenol; Bisphenol Ap; Bisphenol Ap
Molecular Formula	C20H18O2
Molecular Weight	290.3557
InChI	1/C20H18O2/c1-20(15-5-3-2-4-6-15,16-7-11-18(21)12-8-16)17-9-13-19(22)14-10-17/h2-14,21-22H,1H3
EINECS	433-130-5
Density	1.179g/cm3

Item	Standard		Test Results
Identification	A.H-NMR:Comply with the structure		Complies
	B.LC-MS:Comply with the structure		Complies
	C.The IR spectrum of sample should be identical with that of reference standard;		Complies
	D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.		Complies
Crystallinity	meets the requirements.		Complies
Loss on drying	≤2.0%		0.19%
Heavy metals	≤10 ppm		<10ppm
Water	≤1.0%		0.1%
Sulphated ash	≤0.5%, determined on 1.0 g.		0.009%
Related substances	Unspecified impurities: for each impurity	≤0.10%	<0.10%
	Total Impurity	≤0.5%	0.18%
Purity	≥99.0%		99.7%
Assay	99.0%~101.0% (anhydrous substance).		99.8%
Microbiological Analysis
Total plate count	≤1000cfu/g		Complies
Yeast and Moulds	≤100cfu/g		Complies
E. Coli.	Absent		Negative
Salmonella	Absent		Negative
S.aureus	Absent		Negative
Storage	Preserve in well-closed, light-resistant and airtight containers.		Complies